Add scaleway plugin

Scaleway is a young french cloud provider.
https://www.scaleway.com/

Signed-off-by: Jonathan Amiez <jonathan.amiez@gmail.com>

1 files changed, 57 insertions, 0 deletions

diff --git a/lib/ohai/plugins/scaleway.rb b/lib/ohai/plugins/scaleway.rb
new file mode 100644
index 00000000..5cfd1079
--- /dev/null
+++ b/lib/ohai/plugins/scaleway.rb
@@ -0,0 +1,57 @@
+#
+# Author:: Jonathan Amiez (<jonathan.amiez@gmail.com>)
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+Ohai.plugin(:Scaleway) do
+  require "ohai/mixin/scaleway_metadata"
+  require "ohai/mixin/http_helper"
+
+  include Ohai::Mixin::ScalewayMetadata
+  include Ohai::Mixin::HttpHelper
+
+  provides "scaleway"
+
+  # looks for `scaleway` keyword in kernel command line
+  # @return [Boolean] do we have the keyword or not?
+  def has_scaleway_cmdline?
+    if ::File.read("/proc/cmdline") =~ /scaleway/
+      Ohai::Log.debug("Plugin Scaleway: has_scaleway_cmdline? == true")
+      return true
+    end
+    Ohai::Log.debug("Plugin Scaleway: has_scaleway_cmdline? == false")
+    false
+  end
+
+  # a single check that combines all the various detection methods for Scaleway
+  # @return [Boolean] Does the system appear to be on Scaleway
+  def looks_like_scaleway?
+    return true if hint?("scaleway")
+    return true if has_scaleway_cmdline? && can_socket_connect?(Ohai::Mixin::ScalewayMetadata::SCALEWAY_METADATA_ADDR, 80)
+    false
+  end
+
+  collect_data do
+    if looks_like_scaleway?
+      Ohai::Log.debug("Plugin Scaleway: looks_like_scaleway? == true")
+      scaleway Mash.new
+      fetch_metadata.each do |k, v|
+        scaleway[k] = v
+      end
+    else
+      Ohai::Log.debug("Plugin Scaleway: No hints present for and doesn't look like scaleway")
+      false
+    end
+  end
+end